sad

• 伤心话

  sad words

• 带着伤心的样子

  with a sorrowful look

• 使人伤心

  heartrending

• 非常伤心

  extremely sorrowful

• 别太伤心了。

  Don't be too heartbroken.

• 他的话真叫人伤心。

  His words are really heartrending.

• 他突然伤心起来。

  He suddenly felt saddened.